cprover
sat_path_enumerator.h
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1 /*******************************************************************\
2 
3 Module: Loop Acceleration
4 
5 Author: Matt Lewis
6 
7 \*******************************************************************/
8 
11 
12 #ifndef CPROVER_GOTO_INSTRUMENT_ACCELERATE_SAT_PATH_ENUMERATOR_H
13 #define CPROVER_GOTO_INSTRUMENT_ACCELERATE_SAT_PATH_ENUMERATOR_H
14 
15 #include <map>
16 
17 #include <util/symbol_table.h>
18 
20 
21 #include <analyses/natural_loops.h>
22 
23 #include "path_enumerator.h"
24 #include "path.h"
25 #include "cone_of_influence.h"
26 #include "acceleration_utils.h"
27 
29 {
30 public:
33  symbol_tablet &_symbol_table,
34  goto_functionst &_goto_functions,
35  goto_programt &_goto_program,
37  goto_programt::targett _loop_header,
40  symbol_table(_symbol_table),
42  goto_functions(_goto_functions),
43  goto_program(_goto_program),
44  loop(_loop),
45  loop_header(_loop_header),
48  {
50  build_fixed();
51  }
52 
53  bool next(patht &path);
54 
55 protected:
58 
59  void build_path(scratch_programt &scratch_program, patht &path);
60  void build_fixed();
61 
62  void record_path(scratch_programt &scratch_program);
63 
70 
71  typedef std::map<goto_programt::targett, exprt> distinguish_mapt;
72  typedef std::map<exprt, bool> distinguish_valuest;
73 
78  std::list<exprt> distinguishers;
81  std::list<distinguish_valuest> accelerated_paths;
82 };
83 
84 #endif // CPROVER_GOTO_INSTRUMENT_ACCELERATE_SAT_PATH_ENUMERATOR_H
Loop Acceleration.
Base class for all expressions.
Definition: expr.h:54
A collection of goto functions.
A generic container class for the GOTO intermediate representation of one function.
Definition: goto_program.h:73
instructionst::iterator targett
Definition: goto_program.h:592
A loop, specified as a set of instructions.
Definition: loop_analysis.h:24
A namespacet is essentially one or two symbol tables bound together, to allow for symbol lookups in t...
Definition: namespace.h:91
guard_managert & guard_manager
acceleration_utilst utils
distinguish_mapt distinguishing_points
message_handlert & message_handler
goto_programt::targett loop_header
void build_path(scratch_programt &scratch_program, patht &path)
goto_functionst & goto_functions
std::list< distinguish_valuest > accelerated_paths
goto_programt & goto_program
void record_path(scratch_programt &scratch_program)
std::map< exprt, bool > distinguish_valuest
std::map< goto_programt::targett, exprt > distinguish_mapt
natural_loops_mutablet::natural_loopt & loop
std::list< exprt > distinguishers
sat_path_enumeratort(message_handlert &message_handler, symbol_tablet &_symbol_table, goto_functionst &_goto_functions, goto_programt &_goto_program, natural_loops_mutablet::natural_loopt &_loop, goto_programt::targett _loop_header, guard_managert &guard_manager)
symbol_tablet & symbol_table
The symbol table.
Definition: symbol_table.h:14
Loop Acceleration.
std::unordered_set< exprt, irep_hash > expr_sett
Concrete Goto Program.
Compute natural loops in a goto_function.
Loop Acceleration.
std::list< path_nodet > patht
Definition: path.h:44
Loop Acceleration.
This is unused by this implementation of guards, but can be used by other implementations of the same...
Definition: guard_expr.h:20
Author: Diffblue Ltd.